Note 10 - Deposits (Details Textual) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Deposit Liabilities Reclassified as Loans Receivable	$ 718,000	$ 476,000
Interest-bearing Domestic Deposit, Brokered	2,000,000	5,000,000
Short-term Jumbo Certificates of Deposit [Member]
Time Deposits, at or Above FDIC Insurance Limit	$ 55,700,000	$ 53,900,000

Amount of deposits held by the entity that have been reclassified as loan balances receivable, for example, but not limited to, overdrafts receivable.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=116652737&loc=d3e64164-112818

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- Definition

Amount of interest-bearing domestic third-party deposits placed by or through the assistance of a deposit broker, also known as brokered deposit liabilities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.12)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

Amount of time deposit liabilities, including certificates of deposit, in denominations that meet or exceed the Federal Deposit Insurance Corporation (FDIC) insurance limit.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 405
-Section 50
-Paragraph 1
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